Every family has a rotten relative, a black sheep, the one relation you avoid above all others. Even Adolf Hitler.

In one instance, a strong adult documented a bounce three stories high. Young Baby Boomers were snatching them up like hotcakes, making the Super Ball one of the best-selling toys of the mid-’60s.

Holy Cow! History is written by novelist, former TV journalist and diehard history buff J. Mark Powell. Have a historic mystery that needs solving? A forgotten moment worth remembering?